Circular display

Abstract

A circular display includes a carrier and a display medium layer that is located on the carrier. The display medium layer has two display edges opposite to each other. The carrier has two carrying edges opposite to each other. The display edges are respectively aligned to the carrying edges. The carrier and the display medium layer are bent together to form a closed ring. The display edges of the display medium layer are connected to each other. The carrying edges of the carrier are connected to each other.

What is claimed is: 
     
       1. A circular display comprising:
 a carrier; 
 a display medium layer located on the carrier, the display medium layer having two display edges opposite to each other, the carrier having two carrying edges opposite to each other, wherein the display edges are respectively aligned to the carrying edges, the carrier and the display medium layer are bent together to form a closed ring, the display edges of the display medium layer are connected to each other, and the carrying edges of the carrier are connected to each other; 
 a first protection layer, the display medium layer being located between the first protection layer and the carrier; and the first protection layer, the carrier, and the display medium layer being bent together to form the closed ring, wherein the first protection layer has two first protection edges opposite to each other and two first protection edge areas, each of the two first protection edge areas respectively has one of the first protection edges, a portion of one of the two first protection edge areas exceeds the display medium layer, the portion of the first protection edge area exceeding the display medium layer is stacked onto and fixed to the other one of the two first protection edge areas, and the first protection edge of the other one of the first protection edge areas is aligned to one of the display edges; and 
 an active device layer located between the display medium layer and the carrier, wherein the display edges of the display medium layer are aligned with the active device layer, the display edges of the display medium layer are in contact with each other, and the carrying edges of the carrier are in contact with each other. 
 
     
     
       2. The circular display as recited in  claim 1 , further comprising a first adhesive layer located between the first protection layer and the display medium layer, wherein the portion of the first protection edge area exceeding the display medium layer is fixed to the other one of the two first protection edge areas through the first adhesive layer. 
     
     
       3. The circular display as recited in  claim 1 , further comprising: a second protection layer, the carrier being located between the display medium layer and the second protection layer, the second protection layer, the carrier, and the display medium layer being bent together to form the closed ring, wherein the second protection layer has two second protection edges opposite to each other and two second protection edge areas, each of the two second protection edge areas respectively has one of the second protection edges, a portion of one of the two second protection edge areas exceeds the display medium layer, and the portion of the second protection edge area exceeding the display medium layer is stacked onto and fixed to the other one of the two second protection edge areas. 
     
     
       4. The circular display as recited in  claim 3 , further comprising a first adhesive layer located between the first protection layer and the carrier, wherein the portion of the first protection edge area exceeding the display medium layer is fixed to the other one of the two first protection edge areas through the first adhesive layer. 
     
     
       5. The circular display as recited in  claim 3 , wherein the second protection edge of the other one of the second protection edge areas is aligned to one of the display edges. 
     
     
       6. The circular display as recited in  claim 1 , further comprising a fixing member, the fixing member fixing the display edges of the display medium layer and fixing the carrying edges of the carrier. 
     
     
       7. The circular display as recited in  claim 6 , further comprising a first protection layer and a second protection layer, the display medium layer being located between the first protection layer and the carrier, the carrier being located between the display medium layer and the second protection layer, the first protection layer having two first protection edges opposite to each other, the second protection layer having two second protection edge areas opposite to each other, the first protection layer, the second protection layer, the carrier, and the display medium layer being bent together to form the closed ring, wherein the first protection edge areas of the first protection layer are connected to each other, and the second protection edge areas of the second protection layer are connected to each other. 
     
     
       8. The circular display as recited in  claim 7 , wherein the display edges of the display medium layer are in contact with each other, the carrying edges of the carrier are in contact with each other, the first protection edge areas of the first protection layer are in contact with each other, the second protection edge areas of the second protection layer are in contact with each other, and the fixing member fixes the first protection edge areas of the first protection layer and fixes the second protection edge areas of the second protection layer. 
     
     
       9. The circular display as recited in  claim 8 , wherein the first protection layer has a first outer surface and a first inner surface opposite to each other, the first inner surface is located between the display medium layer and the first outer surface, the fixing member comprises a first adhesive plate adhered to areas having the first protection edge areas in the first outer surface of the first protection layer. 
     
     
       10. The circular display as recited in  claim 9 , wherein the second protection layer has a second outer surface and a second inner surface opposite to each other, the second inner surface is located between the carrier and the second outer surface, the fixing member further comprises a second adhesive plate adhered to areas having the second protection edge areas in the second outer surface of the second protection layer. 
     
     
       11. The circular display as recited in  claim 10 , wherein the first adhesive plate and the second adhesive plate are transparent. 
     
     
       12. The circular display as recited in  claim 8 , wherein the fixing member is a clamping member, and the clamping member clamps an area of the display medium layer having the display edges, an area of the carrier having the carrying edges, an area of the first protection layer having the first protection edge areas, and an area of the second protection layer having the second protection edge areas. 
     
     
       13. The circular display as recited in  claim 12 , wherein the clamping member is transparent. 
     
     
       14. The circular display as recited in  claim 1 , further comprising a common electrode layer and the display medium layer is located between the common electrode layer and the active device layer. 
     
     
       15. The circular display as recited in  claim 1 , wherein the display medium layer is an electronic ink layer. 
     
     
       16. A circular display comprising:
 a carrier; 
 a display medium layer located on the carrier, the display medium layer having two display edges opposite to each other, the carrier having two carrying edges opposite to each other, wherein the display edges are respectively aligned to the carrying edges, the carrier and the display medium layer are bent together to form a closed ring, the display edges of the display medium layer are connected to each other, and the carrying edges of the carrier are connected to each other; 
 a first protection layer, the carrier being located between the display medium layer and the first protection layer, and the first protection layer, the carrier, and the display medium layer being bent together to form the closed ring, the first protection layer having two first protection edges opposite to each other and two first protection edge areas, each of the two first protection edge areas respectively having one of the first protection edges, a portion of one of the two first protection edge areas exceeding the display medium layer, the portion of the first protection edge area exceeding the display medium layer being stacked onto and fixed to the other one of the two first protection edge areas, and the first protection edge of the other one of the first protection edge areas being aligned to one of the display edges; and 
 an active device layer located between the display medium layer and the carrier, wherein the display edges of the display medium layer are aligned with the active device layer, the display edges of the display medium layer are in contact with each other, and the carrying edges of the carrier are in contact with each other.